int len_index;
int ret;
- if (sin->pos.offset == -EOF)
- return -EOF;
+ if (sin->pos.offset == EOF)
+ return EOF;
/* Hide event payload struct brackets */
sout->depth = -1;
if (stream_class->event_header) {
ret = generic_rw(&sin->pos.parent, &stream_class->event_header->p);
if (ret)
- return ret;
+ goto error;
/* lookup event id */
len_index = struct_declaration_lookup_field_index(stream_class->event_header_decl,
g_quark_from_static_string("id"));
ret = generic_rw(&sout->parent, &stream_class->event_header->p);
if (ret)
- return ret;
+ goto error;
}
/* Read and print stream-declared event context */
if (stream_class->event_context) {
ret = generic_rw(&sin->pos.parent, &stream_class->event_context->p);
if (ret)
- return ret;
+ goto error;
ret = generic_rw(&sout->parent, &stream_class->event_context->p);
if (ret)
- return ret;
+ goto error;
}
if (id >= stream_class->events_by_id->len) {
if (event_class->context) {
ret = generic_rw(&sin->pos.parent, &event_class->context->p);
if (ret)
- return ret;
+ goto error;
ret = generic_rw(&sout->parent, &event_class->context->p);
if (ret)
- return ret;
+ goto error;
}
/* Read and print event payload */
if (event_class->fields) {
ret = generic_rw(&sin->pos.parent, &event_class->fields->p);
if (ret)
- return ret;
+ goto error;
ret = generic_rw(&sout->parent, &event_class->fields->p);
if (ret)
- return ret;
+ goto error;
}
return 0;
+
+error:
+ fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
+ return ret;
}
static
/* TODO: order events by timestamps across streams */
for (;;) {
ret = convert_event(sout, sin);
- if (ret == -EOF)
+ if (ret == EOF)
break;
else if (ret) {
fprintf(stdout, "[error] Printing event failed.\n");